Welcome to ALTAIR Design & Build, located in Irvine, Orange County. ALTAIR is a luxury design and build company, known for excellence in high-end Commercial and Home Design and Remodel. ALTAIR has been creating custom Office, Practice and home design in Orange County for over 15 years. Based in Orange county, CA, we are a full-service firm specializing in building design, interior design and construction. Whether residential or commercial, first-time homeowners or experienced investors from restaurants and retail, start-ups to established brands…Altair changes lives for the better.